Here we present an analysis of DAE in 12 candidate genes (BRCA1, BRCA2, C1qA, CCND3, EMSY, GPX1, GPX4, MLH3, MTHFR, NBS1, TP53 and TRXR2) likely to be involved in breast cancer, in a large set of individuals. Here, GPX1 is linked to breast carcinoma.